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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1bbb4a3a0af8a4dc517fbb4db348f7c442f911fae556a667b2b648f24761c0a. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


XWorm


Vendor detections: 6


Intelligence 6 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1bbb4a3a0af8a4dc517fbb4db348f7c442f911fae556a667b2b648f24761c0a
SHA3-384 hash: ddf8cbe140cb8de32d1560a8b4220481e253484a440e078c5f4a91eea0745286036e8ba7cd8faefe8d1ea4411366d300
SHA1 hash: 8bc9fd6dd862edaad9a3588613c9310d8e1d29fe
MD5 hash: 6bd55bda69b0698113164fec97963829
humanhash: stream-maine-batman-zulu
File name:invoice-1645080830.pdf (18).js
Download: download sample
Signature XWorm
Create hunting rule
File size:22'643'812 bytes
First seen:2026-04-27 09:55:59 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 49152:AdB5dBhdBEdBXdBzdB5dBjdBNdBKdBNdB7dBv2mKdWdBodB4dBXdB3dBM2mKdbdq:X
TLSH T18F37231B2FAEE47DC91D142820FF1F0B5853EA56A1E161C317E63971CF9D7E2200A66E
Magika javascript
Reporter JAMESWT_WT
Tags:js xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
112
Origin country :
IT IT
Vendor Threat Intelligence
No detections
Verdict:
Suspicious
Labled as:
PowerShell/TrojanDownloader.Agent
Link:
https://www.hybrid-analysis.com/sample/b1bbb4a3a0af8a4dc517fbb4db348f7c442f911fae556a667b2b648f24761c0a
Verdict:
Malicious
File Type:
js
First seen:
2026-04-27T07:33:00Z UTC
Last seen:
2026-04-27T12:58:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b1bbb4a3a0af8a4dc517fbb4db348f7c442f911fae556a667b2b648f24761c0a/results?tab=lookup
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/b1bbb4a3a0af8a4dc517fbb4db348f7c442f911fae556a667b2b648f24761c0a
Gathering data
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wg53ji5av6fe3rix7o2nwnepprcc7ei7vzkwuzt3fnsi6jdwdqfa._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution
Link:
https://tria.ge/reports/260427-ly8crsgw41/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Checks computer location settings
Badlisted process makes network request
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b1bbb4a3a0af8a4dc517fbb4db348f7c442f911fae556a667b2b648f24761c0a

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Comments